| 单词 | B battery |
| 例句 | The same day, she met members of the Canadian Army at Windsor Castle at an event to mark the 150th anniversary of the A and B batteries of the Royal Regiment of Canadian Artillery. The Queen's busy October schedule ahead of night in hospital 2021-10-22T04:00:00Z “We’ve got too high a voltage on the B battery,” said Bob, after a moment of study. The Radio Boys at Mountain Pass The Midnight Call for Assistance 2012-01-02T03:00:17.697Z Farrel," the captain declared, "if I had ever had a doubt as to why I made you top cutter of B battery, that last remark of yours would have dissipated it. The Pride of Palomar Since the electrons do not reach the plate the current from the B battery cannot flow between it and the filament. The Radio Amateur's Hand Book Don't fail to adjust the B battery after putting in a fresh vacuum tube, as its sensitivity depends largely on the voltage. The Radio Amateur's Hand Book Don't let your B battery get damp and don't let it freeze. The Radio Amateur's Hand Book Don't try to recharge your B battery unless it is constructed for the purpose. The Radio Amateur's Hand Book The potentiometer must never be shunted around the B battery or the latter will soon run down. The Radio Amateur's Hand Book Or in a pinch you can use five standard B batteries to develop the plate voltage, but these will soon run down. The Radio Amateur's Hand Book To the + electrode of the A battery connect the - or zinc pole of the B battery and connect the + or carbon pole of the latter with one post of the fixed .001 microfarad condenser. The Radio Amateur's Hand Book In using either of these heterodyne receivers be sure to carefully adjust the B battery by means of the potentiometer. The Radio Amateur's Hand Book As these rising and falling currents act on the pulsating currents from the B battery which flow through the detector tube and the headphones you will hear them as beats. The Radio Amateur's Hand Book Set the vacuum tube amplifier back of the rheostat and the A and B batteries back of the parts or in any other place that may be convenient. The Radio Amateur's Hand Book Don't connect a potentiometer across the B battery or it will speedily run down. The Radio Amateur's Hand Book If now you heat the filament and hold the phone to your ear you can hear the current from the B battery flowing through the circuit. The Radio Amateur's Hand Book The A and B batteries are exactly the same as those described in Chapter VIII. The Radio Amateur's Hand Book |
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